diff options
Diffstat (limited to 'src/modules/m_spanningtree/metadata.cpp')
-rw-r--r-- | src/modules/m_spanningtree/metadata.cpp | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/src/modules/m_spanningtree/metadata.cpp b/src/modules/m_spanningtree/metadata.cpp index 20e56cb4f..9709ca54c 100644 --- a/src/modules/m_spanningtree/metadata.cpp +++ b/src/modules/m_spanningtree/metadata.cpp @@ -23,27 +23,47 @@ CmdResult CommandMetadata::Handle(const std::vector<std::string>& params, User *srcuser) { - std::string value = params.size() < 3 ? "" : params[2]; - ExtensionItem* item = ServerInstance->Extensions.GetItem(params[1]); if (params[0] == "*") { + std::string value = params.size() < 3 ? "" : params[2]; FOREACH_MOD(I_OnDecodeMetaData,OnDecodeMetaData(NULL,params[1],value)); + return CMD_SUCCESS; } - else if (*(params[0].c_str()) == '#') + + if (params[0][0] == '#') { + // Channel METADATA has an additional parameter: the channel TS + // :22D METADATA #channel 12345 extname :extdata + if (params.size() < 3) + return CMD_INVALID; + Channel* c = ServerInstance->FindChan(params[0]); - if (c) - { - if (item) - item->unserialize(FORMAT_NETWORK, c, value); - FOREACH_MOD(I_OnDecodeMetaData,OnDecodeMetaData(c,params[1],value)); - } + if (!c) + return CMD_FAILURE; + + time_t ChanTS = ConvToInt(params[1]); + if (!ChanTS) + return CMD_INVALID; + + if (c->age < ChanTS) + // Their TS is newer than ours, discard this command and do not propagate + return CMD_FAILURE; + + std::string value = params.size() < 4 ? "" : params[3]; + + ExtensionItem* item = ServerInstance->Extensions.GetItem(params[2]); + if (item) + item->unserialize(FORMAT_NETWORK, c, value); + FOREACH_MOD(I_OnDecodeMetaData,OnDecodeMetaData(c,params[2],value)); } - else if (*(params[0].c_str()) != '#') + else { User* u = ServerInstance->FindUUID(params[0]); if ((u) && (!IS_SERVER(u))) { + ExtensionItem* item = ServerInstance->Extensions.GetItem(params[1]); + std::string value = params.size() < 3 ? "" : params[2]; + if (item) item->unserialize(FORMAT_NETWORK, u, value); FOREACH_MOD(I_OnDecodeMetaData,OnDecodeMetaData(u,params[1],value)); |